There are several smart technologies that can be implemented on campuses to minimize air travel and achieve sustainability. Some of these technologies include:

1. Video Conferencing Systems: Installing high-quality video conferencing systems in meeting rooms and classrooms allows for virtual meetings and remote learning, reducing the need for faculty, staff, and students to travel by air for conferences or academic purposes.

2. Online Collaboration Tools: Utilizing online collaboration tools such as project management software, cloud-based document sharing platforms, and virtual whiteboards can facilitate teamwork and reduce the need for in-person meetings or travel.

3. Virtual Reality (VR) and Augmented Reality (AR): Implementing VR and AR technologies can provide immersive experiences and virtual tours, enabling students to explore different locations without physically traveling there.

4. Remote Learning Platforms: Developing robust remote learning platforms that offer online courses and degree programs can significantly reduce the need for students to travel to campus, especially for those who live far away.

5. Telecommuting and Remote Work Solutions: Encouraging faculty and staff to work remotely through telecommuting solutions can reduce the number of daily commutes and, consequently, air travel.

6. Campus-wide Travel Management Systems: Implementing a centralized travel management system that tracks and optimizes travel arrangements can help minimize air travel by finding alternative transportation methods, such as trains or buses, for shorter distances.

7. Sustainable Transportation Apps: Integrating sustainable transportation apps into campus systems can promote eco-friendly commuting options, such as carpooling, biking, or using public transportation, reducing the reliance on air travel.

8. Renewable Energy Sources: Investing in renewable energy sources, such as solar panels or wind turbines, to power campus facilities can reduce the carbon footprint associated with air travel.

9. Carbon Offsetting Programs: Implementing carbon offsetting programs where the campus invests in projects that reduce greenhouse gas emissions can help compensate for the environmental impact of air travel.

10. Data Analytics and Monitoring Systems: Utilizing data analytics and monitoring systems to track and analyze travel patterns can help identify areas where air travel can be minimized or replaced with more sustainable alternatives.

By implementing these smart technologies, campuses can significantly reduce the need for air travel, contributing to a more sustainable and environmentally friendly campus environment.